{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:KX5GTSOCUA3NDWGP223PBH5IA2","short_pith_number":"pith:KX5GTSOC","schema_version":"1.0","canonical_sha256":"55fa69c9c2a036d1d8cfd6b6f09fa806afea9be66e939626f4b55ae37d2e5057","source":{"kind":"arxiv","id":"1902.09131","version":1},"attestation_state":"computed","paper":{"title":"Beyond Einstein: A Polynomial Affine Model of Gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th","math-ph","math.MP"],"primary_cat":"gr-qc","authors_text":"Oscar Castillo-Felisola","submitted_at":"2019-02-25T08:11:36Z","abstract_excerpt":"We show that the effective field equations for a recently formulated polynomial affine model of gravity, in the sector of a torsion-free connection, accept general Einstein manifolds---with or without cosmological constant---as solutions. Moreover, the effective field equations are partially those obtained from a gravitational Yang-Mills theory known as the Stephenson-Kilmister-Yang (SKY) theory. Additionally, we find a generalisation of a minimally coupled massless scalar field in general relativity within a \"minimally\" coupled scalar field in this affine model. Finally, we present the road m"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1902.09131","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-02-25T08:11:36Z","cross_cats_sorted":["hep-th","math-ph","math.MP"],"title_canon_sha256":"697667418952d0f3f800f411898aa98c9af02fbcf8f4a5b77397c5e2be1ba8d9","abstract_canon_sha256":"b21b2b99ba99d987733c61f6e6e600d034dfab6f5fb21790121aad87eeadf90d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:52:46.563151Z","signature_b64":"vbp7F3lAXll1alnzr0F+n0BMG+siYbdYKkZBUyDtAyb+HevQSFQHY407iX3z7OMnscTJpZrAYx2nZmhiRaTVAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"55fa69c9c2a036d1d8cfd6b6f09fa806afea9be66e939626f4b55ae37d2e5057","last_reissued_at":"2026-05-17T23:52:46.562355Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:52:46.562355Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Beyond Einstein: A Polynomial Affine Model of Gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th","math-ph","math.MP"],"primary_cat":"gr-qc","authors_text":"Oscar Castillo-Felisola","submitted_at":"2019-02-25T08:11:36Z","abstract_excerpt":"We show that the effective field equations for a recently formulated polynomial affine model of gravity, in the sector of a torsion-free connection, accept general Einstein manifolds---with or without cosmological constant---as solutions. Moreover, the effective field equations are partially those obtained from a gravitational Yang-Mills theory known as the Stephenson-Kilmister-Yang (SKY) theory. Additionally, we find a generalisation of a minimally coupled massless scalar field in general relativity within a \"minimally\" coupled scalar field in this affine model. Finally, we present the road m"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.09131","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1902.09131","created_at":"2026-05-17T23:52:46.562483+00:00"},{"alias_kind":"arxiv_version","alias_value":"1902.09131v1","created_at":"2026-05-17T23:52:46.562483+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.09131","created_at":"2026-05-17T23:52:46.562483+00:00"},{"alias_kind":"pith_short_12","alias_value":"KX5GTSOCUA3N","created_at":"2026-05-18T12:33:21.387695+00:00"},{"alias_kind":"pith_short_16","alias_value":"KX5GTSOCUA3NDWGP","created_at":"2026-05-18T12:33:21.387695+00:00"},{"alias_kind":"pith_short_8","alias_value":"KX5GTSOC","created_at":"2026-05-18T12:33:21.387695+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/KX5GTSOCUA3NDWGP223PBH5IA2","json":"https://pith.science/pith/KX5GTSOCUA3NDWGP223PBH5IA2.json","graph_json":"https://pith.science/api/pith-number/KX5GTSOCUA3NDWGP223PBH5IA2/graph.json","events_json":"https://pith.science/api/pith-number/KX5GTSOCUA3NDWGP223PBH5IA2/events.json","paper":"https://pith.science/paper/KX5GTSOC"},"agent_actions":{"view_html":"https://pith.science/pith/KX5GTSOCUA3NDWGP223PBH5IA2","download_json":"https://pith.science/pith/KX5GTSOCUA3NDWGP223PBH5IA2.json","view_paper":"https://pith.science/paper/KX5GTSOC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1902.09131&json=true","fetch_graph":"https://pith.science/api/pith-number/KX5GTSOCUA3NDWGP223PBH5IA2/graph.json","fetch_events":"https://pith.science/api/pith-number/KX5GTSOCUA3NDWGP223PBH5IA2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KX5GTSOCUA3NDWGP223PBH5IA2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KX5GTSOCUA3NDWGP223PBH5IA2/action/storage_attestation","attest_author":"https://pith.science/pith/KX5GTSOCUA3NDWGP223PBH5IA2/action/author_attestation","sign_citation":"https://pith.science/pith/KX5GTSOCUA3NDWGP223PBH5IA2/action/citation_signature","submit_replication":"https://pith.science/pith/KX5GTSOCUA3NDWGP223PBH5IA2/action/replication_record"}},"created_at":"2026-05-17T23:52:46.562483+00:00","updated_at":"2026-05-17T23:52:46.562483+00:00"}